In Big Money City, players participate in "Hero Battles" using Bankfon Gs, which allows them to rent powerful hero suits and fight battles against other players, receiving power boosts from the system's public domain feature. Kaito Goushou, a young elementary school student who is always eager to help others, ends up hastily signing a contract to rent the powerful unlisted hero suit, "Enter the Gold," from a mysteriously seedy priest named Sennen; however, he soon learns that the suit comes with a debt of 10 billion yen, and Kaito must now clear his dues by winning Hero Battles. (Source: Wikipedia)

A Romance of the Three Kingdoms retelling using SD Gundams.

“Is there any girl you love?” By this word his friend asked during the school excursion, the protagonist, Kaizu Takumi, begins to aware of his interest in opposite sex. Of course, there are girls around him, for example, his childhood friend, Hatano Konami, his classmate, Ebizuka Shino, a school idol, Shimazu Kakana, etc. However, he himself hasn’t noticed his feelings until he is asked by his friend. He becomes anxious seeing his friend try to find his girl friend, and he resolves his mind to find a girl friend during the last summer of his high school life.

Fake movie promo video. Included in the DVD volume 9.